diff --git a/Jellyfin.Server/SocketSharp/HttpFile.cs b/Jellyfin.Server/SocketSharp/HttpFile.cs
index 89c75e536..448b666b6 100644
--- a/Jellyfin.Server/SocketSharp/HttpFile.cs
+++ b/Jellyfin.Server/SocketSharp/HttpFile.cs
@@ -6,9 +6,13 @@ namespace Jellyfin.Server.SocketSharp
     public class HttpFile : IHttpFile
     {
         public string Name { get; set; }
+
         public string FileName { get; set; }
+
         public long ContentLength { get; set; }
+
         public string ContentType { get; set; }
+
         public Stream InputStream { get; set; }
     }
 }
diff --git a/Jellyfin.Server/SocketSharp/HttpPostedFile.cs b/Jellyfin.Server/SocketSharp/HttpPostedFile.cs
new file mode 100644
index 000000000..f38ed848e
--- /dev/null
+++ b/Jellyfin.Server/SocketSharp/HttpPostedFile.cs
@@ -0,0 +1,204 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Services;
+
+public sealed class HttpPostedFile : IDisposable
+{
+    private string _name;
+    private string _contentType;
+    private Stream _stream;
+    private bool _disposed = false;
+
+    internal HttpPostedFile(string name, string content_type, Stream base_stream, long offset, long length)
+    {
+        _name = name;
+        _contentType = content_type;
+        _stream = new ReadSubStream(base_stream, offset, length);
+    }
+
+    public string ContentType => _contentType;
+
+    public int ContentLength => (int)_stream.Length;
+
+    public string FileName => _name;
+
+    public Stream InputStream => _stream;
+
+    /// <summary>
+    /// Releases the unmanaged resources and disposes of the managed resources used.
+    /// </summary>
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        _stream.Dispose();
+        _stream = null;
+
+        _name = null;
+        _contentType = null;
+
+        _disposed = true;
+    }
+
+    private class ReadSubStream : Stream
+    {
+        private Stream _stream;
+        private long _offset;
+        private long _end;
+        private long _position;
+
+        public ReadSubStream(Stream s, long offset, long length)
+        {
+            _stream = s;
+            _offset = offset;
+            _end = offset + length;
+            _position = offset;
+        }
+
+        public override void Flush()
+        {
+        }
+
+        public override int Read(byte[] buffer, int dest_offset, int count)
+        {
+            if (buffer == null)
+            {
+                throw new ArgumentNullException(nameof(buffer));
+            }
+
+            if (dest_offset < 0)
+            {
+                throw new ArgumentOutOfRangeException(nameof(dest_offset), "< 0");
+            }
+
+            if (count < 0)
+            {
+                throw new ArgumentOutOfRangeException(nameof(count), "< 0");
+            }
+
+            int len = buffer.Length;
+            if (dest_offset > len)
+            {
+                throw new ArgumentException("destination offset is beyond array size", nameof(dest_offset));
+            }
+
+            // reordered to avoid possible integer overflow
+            if (dest_offset > len - count)
+            {
+                throw new ArgumentException("Reading would overrun buffer", nameof(count));
+            }
+
+            if (count > _end - _position)
+            {
+                count = (int)(_end - _position);
+            }
+
+            if (count <= 0)
+            {
+                return 0;
+            }
+
+            _stream.Position = _position;
+            int result = _stream.Read(buffer, dest_offset, count);
+            if (result > 0)
+            {
+                _position += result;
+            }
+            else
+            {
+                _position = _end;
+            }
+
+            return result;
+        }
+
+        public override int ReadByte()
+        {
+            if (_position >= _end)
+            {
+                return -1;
+            }
+
+            _stream.Position = _position;
+            int result = _stream.ReadByte();
+            if (result < 0)
+            {
+                _position = _end;
+            }
+            else
+            {
+                _position++;
+            }
+
+            return result;
+        }
+
+        public override long Seek(long d, SeekOrigin origin)
+        {
+            long real;
+            switch (origin)
+            {
+                case SeekOrigin.Begin:
+                    real = _offset + d;
+                    break;
+                case SeekOrigin.End:
+                    real = _end + d;
+                    break;
+                case SeekOrigin.Current:
+                    real = _position + d;
+                    break;
+                default:
+                    throw new ArgumentException("Unknown SeekOrigin value", nameof(origin));
+            }
+
+            long virt = real - _offset;
+            if (virt < 0 || virt > Length)
+            {
+                throw new ArgumentException("Invalid position", nameof(d));
+            }
+
+            _position = _stream.Seek(real, SeekOrigin.Begin);
+            return _position;
+        }
+
+        public override void SetLength(long value)
+        {
+            throw new NotSupportedException();
+        }
+
+        public override void Write(byte[] buffer, int offset, int count)
+        {
+            throw new NotSupportedException();
+        }
+
+        public override bool CanRead => true;
+
+        public override bool CanSeek => true;
+
+        public override bool CanWrite => false;
+
+        public override long Length => _end - _offset;
+
+        public override long Position
+        {
+            get => _position - _offset;
+            set
+            {
+                if (value > Length)
+                {
+                    throw new ArgumentOutOfRangeException(nameof(value));
+                }
+
+                _position = Seek(value, SeekOrigin.Begin);
+            }
+        }
+    }
+}
diff --git a/Jellyfin.Server/SocketSharp/RequestMono.cs b/Jellyfin.Server/SocketSharp/RequestMono.cs
index 24cf994ea..f2a08c9ae 100644
--- a/Jellyfin.Server/SocketSharp/RequestMono.cs
+++ b/Jellyfin.Server/SocketSharp/RequestMono.cs
@@ -225,7 +225,7 @@ namespace Jellyfin.Server.SocketSharp
 
             if (starts_with)
             {
-                return StrUtils.StartsWith(ContentType, ct, true);
+                return ContentType.StartsWith(ct, StringComparison.OrdinalIgnoreCase);
             }
 
             return string.Equals(ContentType, ct, StringComparison.OrdinalIgnoreCase);
@@ -324,215 +324,6 @@ namespace Jellyfin.Server.SocketSharp
                 return result.ToString();
             }
         }
-
-        public sealed class HttpPostedFile
-        {
-            private string name;
-            private string content_type;
-            private Stream stream;
-
-            private class ReadSubStream : Stream
-            {
-                private Stream s;
-                private long offset;
-                private long end;
-                private long position;
-
-                public ReadSubStream(Stream s, long offset, long length)
-                {
-                    this.s = s;
-                    this.offset = offset;
-                    this.end = offset + length;
-                    position = offset;
-                }
-
-                public override void Flush()
-                {
-                }
-
-                public override int Read(byte[] buffer, int dest_offset, int count)
-                {
-                    if (buffer == null)
-                    {
-                        throw new ArgumentNullException(nameof(buffer));
-                    }
-
-                    if (dest_offset < 0)
-                    {
-                        throw new ArgumentOutOfRangeException(nameof(dest_offset), "< 0");
-                    }
-
-                    if (count < 0)
-                    {
-                        throw new ArgumentOutOfRangeException(nameof(count), "< 0");
-                    }
-
-                    int len = buffer.Length;
-                    if (dest_offset > len)
-                    {
-                        throw new ArgumentException("destination offset is beyond array size", nameof(dest_offset));
-                    }
-
-                    // reordered to avoid possible integer overflow
-                    if (dest_offset > len - count)
-                    {
-                        throw new ArgumentException("Reading would overrun buffer", nameof(count));
-                    }
-
-                    if (count > end - position)
-                    {
-                        count = (int)(end - position);
-                    }
-
-                    if (count <= 0)
-                    {
-                        return 0;
-                    }
-
-                    s.Position = position;
-                    int result = s.Read(buffer, dest_offset, count);
-                    if (result > 0)
-                    {
-                        position += result;
-                    }
-                    else
-                    {
-                        position = end;
-                    }
-
-                    return result;
-                }
-
-                public override int ReadByte()
-                {
-                    if (position >= end)
-                    {
-                        return -1;
-                    }
-
-                    s.Position = position;
-                    int result = s.ReadByte();
-                    if (result < 0)
-                    {
-                        position = end;
-                    }
-                    else
-                    {
-                        position++;
-                    }
-
-                    return result;
-                }
-
-                public override long Seek(long d, SeekOrigin origin)
-                {
-                    long real;
-                    switch (origin)
-                    {
-                        case SeekOrigin.Begin:
-                            real = offset + d;
-                            break;
-                        case SeekOrigin.End:
-                            real = end + d;
-                            break;
-                        case SeekOrigin.Current:
-                            real = position + d;
-                            break;
-                        default:
-                            throw new ArgumentException("Unknown SeekOrigin value", nameof(origin));
-                    }
-
-                    long virt = real - offset;
-                    if (virt < 0 || virt > Length)
-                    {
-                        throw new ArgumentException("Invalid position", nameof(d));
-                    }
-
-                    position = s.Seek(real, SeekOrigin.Begin);
-                    return position;
-                }
-
-                public override void SetLength(long value)
-                {
-                    throw new NotSupportedException();
-                }
-
-                public override void Write(byte[] buffer, int offset, int count)
-                {
-                    throw new NotSupportedException();
-                }
-
-                public override bool CanRead => true;
-
-                public override bool CanSeek => true;
-
-                public override bool CanWrite => false;
-
-                public override long Length => end - offset;
-
-                public override long Position
-                {
-                    get => position - offset;
-                    set
-                    {
-                        if (value > Length)
-                        {
-                            throw new ArgumentOutOfRangeException(nameof(value));
-                        }
-
-                        position = Seek(value, SeekOrigin.Begin);
-                    }
-                }
-            }
-
-            internal HttpPostedFile(string name, string content_type, Stream base_stream, long offset, long length)
-            {
-                this.name = name;
-                this.content_type = content_type;
-                this.stream = new ReadSubStream(base_stream, offset, length);
-            }
-
-            public string ContentType => content_type;
-
-            public int ContentLength => (int)stream.Length;
-
-            public string FileName => name;
-
-            public Stream InputStream => stream;
-        }
-
-        internal static class StrUtils
-        {
-            public static bool StartsWith(string str1, string str2, bool ignore_case)
-            {
-                if (string.IsNullOrEmpty(str1))
-                {
-                    return false;
-                }
-
-                var comparison = ignore_case ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
-                return str1.IndexOf(str2, comparison) == 0;
-            }
-
-            public static bool EndsWith(string str1, string str2, bool ignore_case)
-            {
-                int l2 = str2.Length;
-                if (l2 == 0)
-                {
-                    return true;
-                }
-
-                int l1 = str1.Length;
-                if (l2 > l1)
-                {
-                    return false;
-                }
-
-                var comparison = ignore_case ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
-                return str1.IndexOf(str2, comparison) == str1.Length - str2.Length - 1;
-            }
-        }
-
         private class HttpMultipart
         {
 
@@ -606,12 +397,12 @@ namespace Jellyfin.Server.SocketSharp
                 string header;
                 while ((header = ReadHeaders()) != null)
                 {
-                    if (StrUtils.StartsWith(header, "Content-Disposition:", true))
+                    if (header.StartsWith("Content-Disposition:", StringComparison.OrdinalIgnoreCase))
                     {
                         elem.Name = GetContentDispositionAttribute(header, "name");
                         elem.Filename = StripPath(GetContentDispositionAttributeWithEncoding(header, "filename"));
                     }
-                    else if (StrUtils.StartsWith(header, "Content-Type:", true))
+                    else if (header.StartsWith("Content-Type:", StringComparison.OrdinalIgnoreCase))
                     {
                         elem.ContentType = header.Substring("Content-Type:".Length).Trim();
                         elem.Encoding = GetEncoding(elem.ContentType);
@@ -730,13 +521,14 @@ namespace Jellyfin.Server.SocketSharp
                         return false;
                     }
 
-                    if (!StrUtils.EndsWith(line, boundary, false))
+                    if (!line.EndsWith(boundary, StringComparison.Ordinal))
                     {
                         return true;
                     }
                 }
                 catch
                 {
+
                 }
 
                 return false;
diff --git a/Jellyfin.Server/SocketSharp/WebSocketSharpResponse.cs b/Jellyfin.Server/SocketSharp/WebSocketSharpResponse.cs
index 56e5c73d6..cf5aee5d4 100644
--- a/Jellyfin.Server/SocketSharp/WebSocketSharpResponse.cs
+++ b/Jellyfin.Server/SocketSharp/WebSocketSharpResponse.cs
@@ -55,6 +55,41 @@ namespace Jellyfin.Server.SocketSharp
 
         public QueryParamCollection Headers => _response.Headers;
 
+        private static string AsHeaderValue(Cookie cookie)
+        {
+            DateTime defaultExpires = DateTime.MinValue;
+
+            var path = cookie.Expires == defaultExpires
+                ? "/"
+                : cookie.Path ?? "/";
+
+            var sb = new StringBuilder();
+
+            sb.Append($"{cookie.Name}={cookie.Value};path={path}");
+
+            if (cookie.Expires != defaultExpires)
+            {
+                sb.Append($";expires={cookie.Expires:R}");
+            }
+
+            if (!string.IsNullOrEmpty(cookie.Domain))
+            {
+                sb.Append($";domain={cookie.Domain}");
+            }
+
+            if (cookie.Secure)
+            {
+                sb.Append(";Secure");
+            }
+
+            if (cookie.HttpOnly)
+            {
+                sb.Append(";HttpOnly");
+            }
+
+            return sb.ToString();
+        }
+
         public void AddHeader(string name, string value)
         {
             if (string.Equals(name, "Content-Type", StringComparison.OrdinalIgnoreCase))
@@ -126,41 +161,6 @@ namespace Jellyfin.Server.SocketSharp
             _response.Headers.Add("Set-Cookie", cookieStr);
         }
 
-        public static string AsHeaderValue(Cookie cookie)
-        {
-            var defaultExpires = DateTime.MinValue;
-
-            var path = cookie.Expires == defaultExpires
-                ? "/"
-                : cookie.Path ?? "/";
-
-            var sb = new StringBuilder();
-
-            sb.Append($"{cookie.Name}={cookie.Value};path={path}");
-
-            if (cookie.Expires != defaultExpires)
-            {
-                sb.Append($";expires={cookie.Expires:R}");
-            }
-
-            if (!string.IsNullOrEmpty(cookie.Domain))
-            {
-                sb.Append($";domain={cookie.Domain}");
-            }
-
-            if (cookie.Secure)
-            {
-                sb.Append(";Secure");
-            }
-
-            if (cookie.HttpOnly)
-            {
-                sb.Append(";HttpOnly");
-            }
-
-            return sb.ToString();
-        }
-
         public bool SendChunked
         {
             get => _response.SendChunked;